87
486 PL ENGINE
P
1.
Engine not
a) Low battery voltage
a) Clean & tighten the connectors & retry.
cranking
Get battery charged or changed
b) Faulty starter
b) Rectify or replace.
c) Worn out piston rings/Seized pistons c) Overhaul/replace affected parts
d) Faulty immobiliser
d) Check & rectify
2.
Engine cranks but
a) Faulty inertia switch
a) Check & reset, replace if required.
not starting
b) Fault with engine management
b) Check for any EMS fault using blink
system (EMS) signals / sensors
code method or KTS300. Take
or wiring harness
corrective action accordingly.
c) Spark not coming
c) Please refer point no. 3
d) Faulty fuel pump
d) Check & replace
e) Clogged Injectors
e) Check & replace
f) Faulty fuel pressure regulator
f) Check & replace
g) Air filter clogged
g) Replace
h) Incorrect phase sensor gap
h) Check & correct if required.
i) Incorrect valve timing
i) Correct the valve timing
3.
Spark not coming
a) Fault with engine management
a) Check for any EMS fault using blink
system (EMS) signals / sensors
code method or KTS300. Take
or wiring harness.
corrective action accordingly.
b) Faulty spark plugs
b) Clean, Check spark plug gap / rectify
or replace spark plug if required
c) Faulty spark plugs
c) Check & replace if required
d) Faulty ignition coil
d) Check & replace.
e) Faulty H T cables
e) Check & replace.
4.
Erratic Idling
a) Intake manifold leakage
a) Check & rectify.
b) Faulty Idle speed actuator
b) Check & replace if required.
c) Valve timing incorrect
c) Check & correct.
5.
Poor acceleration
a) Low battery voltage
a) Recharge the battery
or Power
b) Clogged air filter
b) Replace
c) Adulterated fuel
c) Use specified proper fuel
d) Spark plug gap incorrect or
d) Check & correct.
faulty/incorrect spark plug
Use specified spark plug
e) Clogged fuel filter
e) Check & replace
f) Clogged injectors
f) Check & replace
Sr. Problem Observed
Probable Cause
Action to be taken
no.
TROUBLE SHOOTING CHART :




